New technologies that can be adopted in the conduct of audit or could affect the way audits are conducted. Which new technology could be used in the different stages of an audit to improve the effectiveness of the audit? Choose the most correct answer.

Planning the internal audit $-$ Blank $1$

Obtaining background information $-$ Blank $2$

Conduct of an audit $($obtaining audit evidence$)-$ Blank $3$

Preparing audit working papers $-$ Blank $4$

Reporting on the audit results